Depths are less than charted in three areas off Brazil in the South Atlantic.
South Atlantic Ocean · HYDROLANT 1213/25
What this record establishes
Listed in force
The latest collected record lists this warning as active. This is the status of the notice, not a live observation of conditions at the location.
- Source and dates
- NGA MSI in-force warnings (DailyMem*.txt). Issued 2025-07-19 01:15Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-10-01 04:47Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- South Atlantic Ocean. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROLANT 1821/222022-07-20 · Archived notice
- HYDROLANT 2490/232023-11-01 · Cancelled notice
- HYDROLANT 1213/25 · this notice2025-07-19 · Listed in force
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2025-07-19 01:15Z
- status
- Listed in force
- sea
- South Atlantic Ocean
- position
- -2.171, -44.155
- nearest port
- Belem · 264 nm
- source
- NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z
Original warning text
SOUTH ATLANTIC.
BRAZIL.
DNC 01.
DEPTHS LESS THAN CHARTED IN AREAS BOUND BY:
A. 02-10.17S 044-09.21W, 02-10.31S 044-09.39W,
02-10.35S 044-09.34W, 02-10.21S 044-09.17W.
B. 02-10.49S 044-09.03W, 02-10.52S 044-09.07W,
02-10.55S 044-09.04W, 02-10.52S 044-09.00W.
C. 02-10.70S 044-09.10W, 02-10.77S 044-09.16W,
02-10.84S 044-09.04W, 02-10.77S 044-08.99W.Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- Shoal / reported depth
- Water shallower than the chart shows — a newly found shoal, a reported depth, or less water than charted.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
Conditions at the position · now
loading…
MET Norway · NOAA WaveWatch III · HYCOM · GEBCO 2020 · model data at the centroid, not an observation
Collected reports in this area · wrecks & obstructions
10 within 180 nm since 2010 · 0 in the last 12 months · 1 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- One person overboard from F/V, sank in 01-03.00S 046-01.00W at 270700Z nov2023-11-29
- Depths less than charted in: a. 02-06.29S 044-08.07W2023-11-01
- Depths less than charted in: a. 01-47.62S 043-51.68W2022-07-20
- 17.4 meter depth reported in 01-45.06S 043-45.32W2021-01-26
- M/V stellar banner aground in 01-45.70S 043-41.75W2020-02-27
- M/V stellar banner aground in 01-45.42S 043-41.41W2020-02-26
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
38 wrecks & obstructions listed in force · see all
Record snapshot 2026-09-27 17:14Z; source collection times vary.
Wrecks
Dangerous wrecks, shoals and submerged obstructions. All current wrecks & obstructions →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.